DDD-C-0095A (GSA-FSS)
March 15, 1972
INTERIM REVISION OF
Fed. Spec. DDD-C-95 April 16, 1965
INTERIM FEDERAL SPECIFICATION
CARPET AND RUGS, WOOL, NYLON, ACRYLIC, MODACRYLIC POLYESTER, POLYPROPYLENE
This Interim Federal Specification was developed by the Federal Supply Service, General Services Administration, Washington, D. C. 20406, based upon currently available technical information. It is recommended that Federal agencies use it in procurement and forward recommendations for changes to the preparing activity at the address shown above.
The General Services Administration has authorized the use of this Interim Federal Specification as a valid exception to Federal Specification DDD-C-95, dated April 16, 1965.
1. SCOPE AND CLASSIFICATION
1.1 Scope. This specification covers requirements for carpet and rugs intended for use as floor coverings.
1.2 Classification.
1.2.1 Types and class. The carpet and rugs shall be of the following types and classes as spec e (6.2):
Type I - Axminister.
Class 1 - Single level cut pile pattern (25 oz./sq. yd. pile).
Type II - Velvet.
Class 1 - Single cut pile (52 oz./sq. yd. pile).
Class 2 - Single level loop pile-woven thru back (42 oz./sq. yd. pile)
Class 3 - Single level loop pile - woven thru back - filament nylon (29 oz./sq. yd. pile).
Class 4 - Multilevel loop pile - woven thru back (44 oz./sq. yd. pile)
Type III Wilton.
Class 1 - Multilevel cut and loop pile (41 oz./sq. yd. pile)
IV - Tufted.
Class 1 Multilevel Loop pile - filament nylon.
Subclass A (21 oz./sq. yd. pile).
Subclass B- (21 oz./sq. yd. pile).
Subclass C (25 oz./sq. yd. pile).
Class 2 - Multilevel loop pile (28 oz./sq. yd. pile).
Class 3 - Single level cut pile.
Subclass A - (27 oz./sq. yd. pile).
Subclass B - (35 oz./sq. yd. pile).
Subclass C - (42 oz./sq. yd. pile).
Subclass D - (24 oz./sq. yd. pile).
Subclass E - (35 oz./sq. yd. pile).
Class 4 - Single level loop pile.
Subclass A - (33 oz./sq. yd. pile).
Subclass B - (42 oz./sq. yd. pile).
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DDD-C-0095A(GSA-FSS)
Class 5 - Cut and uncut pile.
Subclass A - (26 oz./sq. yd. pile).
Subclass B - (36 oz./sq. yd. pile).
Class 6 – Single level loop pile.
Subclass A - (21 oz./sq. yd. pile) filament nylon or filament polypropylene.
Subclass B -(28 oz./sq. yd. pile) filament nylon or filament polypropylene.
Subclass C - (24 oz./sq. yd. pile) staple nylon or staple polypropylene.
Subclass D - (28 oz./sq. yd. pile) staple nylon or staple polypropylene.
Type V - Deleted (6.7).
Type VI - Modified.
Class 1 - Single level loop pile - attached rubber cushion (25 oz./sq. yd. pile).
2. APPLICABLE DOCUMENTS
2.1 The following documents of the issues in effect on the date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein:
Federal Specifications:
UU-P-268 - Paper, Kraft, Untreated, Wrapping.
PPP-B-35 - Bags, Textile, Shipping, Burlap, Cotton and Waterproof Laminated.
PPP-B-576 - Box, Wood, Cleated, Veneer, Paper Overlaid.
PPP-B-591 - Boxes, Shipping, Fiberboard, Wood-Cleated.
PPP-B-601 - Boxes, Wood, Cleated-Plywood.
PPP-B-621 - Boxes, Wood, Nailed and Lock-Corner.
PPP-B-636 - Box, Fiberboard.
PPP-B-640. - Boxes, Fiberboard, Corrugated, Triple Wall.
PPP-T-45- Tape, Gummed, Paper, Reinforced and Plain, for Sealing and Securing.
Federal Standards:
Fed. Std. No. 123 - Marking for Domestic Shipment (Civilian Agencies). Fed. Test Method Std. No. 191 - Textile Test Methods.
(Activities outside the Federal Government may obtain copies of Federal Specifications, Standards, and Handbooks as outlined under General Information in the Index of Federal Specifications and Standards and at the prices indicated in
the Index. The Index, which includes cumulative monthly supplements as issued, is for sale on a subscription basis by the Superintendent of Documents, U. S. Government Printing Office, Washington, D. C. 20402.
(Single copies of this specification and other Federal Specifications required by activities outside the Federal Government for bidding purposes are available without charge at the General Services Administration Regional Offices in Boston,
New York, Washington, D. C. , Atlanta, Chicago, Kansas City, Mo. , Fort Worth, Denier, San Francisco, Los Angeles, and Seattle, Wash.
(Federal Government activities may obtain copies of Federal Specifications, Standards, and Handbooks and the Index of Federal Specifications and Standards from established distribution points in their agencies.)
Military Specifications:
MIL-L-10547 - Liners, Case, and Sheet, Overwrap, Water-Vaporproof or Waterproof, Flexible.
DDD-C-0095A(GSA-FSS)
Military Standards:
MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-129 - Marking for Shipment and Storage.
(Copies of Military Specifications and Standards required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.)
2.2 Other publications. The following documents form a part of this specification to the extent spied herein. Unless a specific issue is identified, the issue in effect on date of invitation for bids or request for proposal shall apply.
Federal Trade Commission:
Rules and Regulations Under the Textile Fiber Products Identification Act.
(Copies may be obtained without charge from the Federal Trade Commission, Washington, D. C. 20580.)
American Society for Testing and Materials (ASTM) Standards
D-297 - Chemical Analysis of Rubber Products.
D-418 - Woven and Tufted Pile Floor Covering.
D-1116 - Resistance of Pile Floor Coverings to Attack by Black Carpet Beetle Larvae.
D-1335 - Tuft Bind of Pile Floor Coverings.
(Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.)
American Association of Textile Chemists and Colorists:
AATCC-8 - Colorfastness to Crocking.
(Application for copies should be addressed to the American Association of Textile Chemists and Colorists, P.O. Box 12215, Research Triangle Park, NC 27709.)
National Motor Freight Traffic Association, Incorporated Agent:
National Motor Freight Classification.
(Application for copies should be addressed to the American Trucking Association, Inc., Tariff Order Section, 1616 P Street, N.W., Washington, D. C. 20036.)
Uniform Classification Committee_ Agent:
Uniform Freight Classification.
(Application for copies should be addressed to the Uniform Classification Committee, Tariff Publishing Officer, Room 202, Union Station, 516 West Jackson Blvd., Chicago, Illinois 60606.)
3. REQUIREMENTS
3.1 Samples.
3.1.1 Standard sample. When a standard sample is available, the finished carpet or rugs shall match the standard sample for shade and shall be equal to or better than the standard sample with respect to all characteristics for which the standard sample is referenced (6.3).
3.1.2 Bid sample. Unless otherwise specified (6.2) at the time of submission of bid, the bidder shall submit to the contracting officer three pieces, a minimum of 8 inches square each, of each type and class of carpet he proposes to furnish for
determination of acceptability of color, appearance, and texture. A sample of
DDD-C-0095A(GSA-FSS)
binding material at least 6 inches long shall be attached to carpet samples of each color which bidder proposes to furnish. After award of contract one approved sample shall be returned to the contractor, one shall be forwarded to the cognizant Government quality control activity and one shall be retained by the contracting officer.
3.2 Material.
3.2.1 Pile yarn. The pile yarn shall be made of 100 percent wool, nylon, acrylic, modacrylic, polyester or polypropylene fiber. or blends of these fibers in yarn exclusive of ornamentation and static control materials. Polyvinyl chloride fiber may be used in a blend not to exceed a maximum of 458. Not less than 208 of any of the above fibers shall be used when blended with other fibers and stick blends cannot consist of more than two fibers. Unless otherwise specified (6.2), spun yarn shall be at least two ply. The required pile yarn shall be as specified (6.2), except as indicated in tables I through V. Fiber denier and staple length specified in this document are subject to normal fiber manufacturing variances.
3.2.1.1 Wool. Wool shall be thoroughly scoured carpet type fiber which has never been reclaimed from any woven, tufted, knitted, or felted products. The wool yarn shall contain a minimum of 95% wool based on the original dry weight of the specimen when tested as specified in 4.2.1.
3.2.1.2 Staple nylon. Staple nylon shall be carpet type fiber with a minimum fiber size of 15 denier and of uniform fiber length which has never been reclaimed from any woven, tufted, knitted, or felted products. For level loop carpet, the staple length shall be a minimum of 6 inches and the finished yarn shall contain a minimum of 3.5 turns per inch in the singles, and a minimum of 3.0 turns per inch in the ply. The finished yarn shall contain not more than 2.0 percent chloroform soluble material when tested as specified in 4.2.1.
3.2.1.3 Filament nylon. Filament nylon shall be continuous filament high bulk or textured carpet type yarn. Individual filament size shall be a minimum of 15 denier. Filament nylon shall be used only in those fabrics where specified in the tables of physical requirements. The finished yarn shall contain not more than 2.0 percent chloroform soluble material when tested as specified in 4.2.1.
3.2.1.4 Staple acrylic. Staple acrylic shall be carpet type fiber with a minimum fiber size of 15 denier and of uniform fiber length which has never been reclaimed from any woven, knitted, tufted, or felted products. The finished yarn shall
contain not more than 2.0 percent chloroform soluble material when tested as specified in 4.2.1.
3.2.1.5 Staple modacrylic. Staple modacrylic shall be carpet type fiber with a minimum fiber s size of 15 denier and of uniform fiber length which has never been reclaimed from any woven, tufted, knitted, or felted products. The finished yarn shall contain not more than 2.0 percent chloroform soluble material when tested as specified in 4.2.1.
3.2.1.6 Polyester. Polyester shall be carpet type fiber with a minimum fiber size of 15 denier and of uniform fiber length which has never been reclaimed from any woven, tufted, knitted, or felted products. For level loop carpet, the staple length shall be a minimum of 6 inches and the finished yarn shall contain a minimum of 3.5 turns per inch in the singles, and a minimum of 3.0 turns per inch in the ply. The finished yarn shall contain not more than 2.0 percent chloroform soluble material when tested as specified in 4.2.1.
3.2.1.7 Filament polypropylene olefin. Filament polypropylene olefin shall be continuous filament bulk 6r textured carpet type yarn. Individual filament size shall be a minimum of 15 denier. The finished yarn shall contain not more than 2.0 percent cold isopropanol soluble material when tested as specified in 4.2.1.
3.2.1.8 Staple polypropylene olefin. Staple polypropylene olefin shall be of the carpet type, with a minimum fiber size of 15 denier and a minimum staple length of 6 inches, which has never been reclaimed from any woven, tufted, knitted. or felted products. The finished yarn shall contain not more than 2.0 percent cold isopropanol soluble material when tested as specified in 4.2.1. For level loop :carpet, the finished yarn shall contain a minimum of 3.5 turns per inch in the singles and a minimum of 3.0 turns in the ply.
DDD-C-0095A(GSA-FSS)
3.2.1.9 Staple polyvinyl chloride. Staple polyvinyl chloride fiber shall be carpet type with a minimum fiber size if 15 denier or coarser. The finished yarn shall contain not more than 2.0 percent cold isopropanol soluble material when tested as specified in 4.2.1.
3.2.2 Chain filling, and stuffer yarns. The chain, filling, and stuffer yarns for type I, II, and III carpet an rugs shall be as specified in tables I through III. The chain and filling yarns for type VI carpet shall be as specified in table V.
3.2.3 Backing material. The materials used in the construction of the primary backing of tufted carpet shall be those customarily used and accepted by the trade.
3.2.4 Backing reinforcement. The backing reinforcement shall be a woven or knitted fabric weighing not less than 6.0 ounces per square yard or a non-woven polypropylene weighing not less than 3.5 ounces per square yard.
3.2.5 Attached rubber cushioning. The compound used in making the cushioning shall be ma e from nature or synthetic latex or a mixture of natural and synthetic lattices. The cushioning shall be free of objectionable odor and shall have a skin
on the floor side when affixed to the carpet or rug. The rubber cushioning shall be class 1 or class 2 as follows, unless otherwise specified (6.2):
Class 1: (Foam)
a. Cushioning shall average not less than 1/8 inch.
b. The weight per square yard shall be not less than 2.37 pounds. c. The density shall be not less than 17 pounds/cu. ft.
d. The compression resistance shall be not less than 5 pounds per square inch.
e. The compression set shall be not more than 15 percent.
f. Delamination strength - more than 2 pounds per inch of width must be required to pull the cushion from the carpet.
g. Accelerated aging.
1. Heat aging - after exposure for 24 hours at 275°F. the cushion, after flexing, should remain flexible and serviceable.
2. Fade Ometer - after 20 hours exposure to the Fade-Ometer, the cushion shall show only slight discoloration of crazing.
h. The maximum ash content of the cushion shall be 50 percent.
Class II: (Foam or sponge)
a. Cushioning shall average not less than 3/16 inch.
b. The weight per square yard shall be not less than 3.50 pounds not more than 4.25 pounds.
c. The compressibility shall be not less than 5 pounds not more than 9 pounds. d. The compression set shall be not more than 15 percent.
e. Delamination strength - more than 2.0 pounds per inch of width must be required to pull the cushion from the carpet.
f. When subjected to an accelerated aging test, the cushion shall not deteriorate.
3.2.6 Back coating. The back coating compound shall be a synthetic resin or synthetic latex compound.
3.3 Color and matching. The color shall be as specified (6.2) and shall match the standard sample, when available, under natural (north sky) daylight or artificial daylight having a color temperature of 7500° Kelvin (k) and shall be a good approximation to the standard sample under incandescent lamplight at 2800°K. when tested as specified in 4.5.13.
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DDD-C-0095A(GSA-FSS)
3.3.1 Colorfastness. The carpet or rugs shall show fastness to light and wet and dry crocking equal to or better than the standard sample. When no standard sample is established, the carpet or rugs shall show good fastness to wet and dry crocking and light. They shall show a rating of good for light colors after 20 standard fading hours (2000 Langleys) and for dark colors after 40 standard fading hours .(4000 Langleys). The supplier is to submit with his bid and samples a certified list of the colors, identification of these colors by the bidder's color number, and the category of "light" or "dark" into which each color is classified by the supplier. This list is to be submitted for each pattern and coloration. Testing shall be as specified in 4.4.